Cloud Dancer(Fighter): With their innate mastery of the clouds, griffons turn this seeming parlor trick into a fully realized combat style that baffles their enemies while striking down groups of opponents in sudden blasts of angry wind.

Shroud of the Skies: At fifth level, when attacked with a melee weapon while wearing light or no armor, mist erupts from the dancer, obscuring them just long enough. The first attack suffers 20% concealment. Any further attacks in the same round suffers 50% concealment. This resets to normal concealment at the start of the griffon's next turn. This has no effect on ranged attacks. This is considered fog, for abilities that penetrate fog. This replaces armor training and proficiency with heavy armor.

Heave of the Tornado: At 2nd level, When attempting a bull rush, the griffon may select up to one additional target per 4 levels within 30 feet of the first target to also be pushed in the same direction. Roll once and apply the result to all targets. The griffon does not have to move with their target(s) when bull rushing. The griffon also gains a +1 bonus to CMB to bull rush. This bonus increases by 1 per 4 levels beyond 2nd. This replaces bravery.

Eyes of the Sky: At 8th level, fog and smoke do not obscure the vision of such a trained griffon. This replaces the level 8 bonus feat.

Raging Tempest: At 15th level, the griffon may apply heave of the tornado to trip, disarm, or dirty trick maneuvers. This replaces the level 16 bonus feat.

Eye of the Storm: At 20th level, the griffon becomes entirely immune to wind, and can only be moved by them when they wish.

Likely, but we'll never know if the one putting out the mist can use it, since it's gone by the time they get a chance to move. Some other pegasus could come along and land on top of their defense for the split second it exists.